A chemist needs 18 liters of a 30% acid solution. How much of a 20% solution should be

mixed with a 40% solution to get that (round your answer to the nearest liter) ?

4 liters

5 liters

9 liters

7 liters

A 1/4 turn clockwise

Express 18.48 (48 bar) in the form of p/q where p and q are integers and q is not equal to 0.

If the area is 30 inches. What is the perimeter

the sum of two numbers is 4 less than twice the larger. if the large is decreased by three times the smaller, the result is - 20.

Dan bought 1 glue stick for 56 cents and 2 pencils for 12 cents each. How much change should he get back from 1 dollar

Allison earns 14$ an hour plus 20$ an hour for every hour of overtime. Overtime hours are any hours more than 35 hours for the week. Create an equation that shows the amount of money earned, E, for working x hours in a week when there is no overtime.

Name four angles between 0 and 360 degrees with a reference angle of 20 degrees Show work

A _ ratio that compares two quantities with different kinds of units

Which expressions is equivalent to j (j) (j) (j) (j) (j) (j) (j) (j) (j) (j) (j) (j)

If Julie needs 3 and 1/4 cups of oatmeal how many 1/4 cups of oatmeal will she use